MM → Inches
1250 mm to inches
1250 millimeters equals 49.212598 inches — or about 49 3/16" (nearest 1/16″).
Decimal
49.2126 in
Fraction
49 3/16"
Centimeters
125 cm
Feet
4.101 ft
mm
49.212598
in≈ 49 3/16" (nearest 1/16)
1 in = 25.4 mm · tolerance ±0.0001
Formula
To convert mm to inches, divide by 25.4:
inches = mm ÷ 25.4
inches = 1250 ÷ 25.4 = 49.212598
Why 1250 mm = 49.2126 in
Since 1 inch is defined as exactly 25.4 millimeters, 1250 mm converts to 49.212598 inches. Rounded to the nearest 1/16″ that's 49 3/16", which is what you'd read off a standard imperial ruler.